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V D. B. SHANTZ.

MACHINE FOR DRILLING HOLES AND PLOWING GROOVES IN BUTTONS. No. 357,861. Patented Feb. 15, 1887.

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MACHINE FORDRILLING HOLES AND PLOWING GROOVES IN BUTTONS.

.Y ,Enga-.EssigY Patented Feb. l5, 18877.

WITNESSES (No Model.) 3 Sheets-Sheet 3. D. B. SHANTZ.

MACHINE FOR DRILLING HOLES AND PLWING GROOVBS IN BUTTONS.

N0. 357,861. Patented Feb. 15,1887.

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UNITED STATES PATENT OFFICE.

DILMAN B. SHANTZ, OF BERLIN, ONTARIO, CANADA.

MACHINE FOR DRILLING HOLES AND PLOWING GROOVES IN BUTTONS.

SPECIFICATION forming part of Letters Patent No. 357,861, dated February l5, 1887.

Application filed November G, 1856. Serial No. 218,l77. (No model.)

To all whoa/l, t may concern:

Be it known that I, DILMAN B. SHANTZ, a subject ofthe Queen ofGreatBritaiu, anda resident of Berlin, in the county of Vaterloo and Province of Ontario, Canada, have invented certain new and useful Improvements in Machines for Drilling Holes and Blowing Recesses or Niehes in Buttons; and I do hereby declare that the following is a full, clear, and exact descriptionof the invention,which will enable others skilled in the art to which it appertaius to make and use thesaine, reference being had to the accompanying drawings, which forni a part of this speciication, and in which- Figure l is a side view of my improved machine for drilling holes in buttons. Fig. 2 is a similar view seen from the other side. Fig. 3 is atop View. Figs. i and 5 are longitudinal vertical sections on line z z, Fig. 3, looking in opposite directions. Fig. 6 is a trausverse vertical section ou line x w, Fig. 3. Fig. 7 is a similar viewon line 1/ y, Fig. 3; and Fig. Sis a perspective detail view, with portions broken away,of the universal joint in the drillshaft.

Similar' letters of reference indicate corresponding parts in all the figures.

My invention has relation to machines for drilling holes in buttons, and it consists in the improved construction and combination of parts of such a machine in whicha drillbit is secured in a stock having a vertical motion as well as a revolving motion and in which the button to be drilled is secured ina chuck having a horizontal transverse movement as well as a movement toward and from the drill, so that the button will be presented to the drill, which will bore one hole, whereupon the drill is partly withdrawn and moved vertically, cutting the groove or recess between this and the next hole, which will then be dri-lled, when the button will be partly withdrawn as well as the drill, allowing the chuck to be moved laterally, when the button and drill are brought together` and other two holes and connecting recess formed, as hereinafter more fully described and claimed.

In the accompanying drawings, the letter A indicates a drive-shaft journaled in suitable bearings, B, upon the side edge of the base C of the frame. One end of this shaft is prol vided with a suitable pulley, D, or otherigear, by means of which rotary mot-ion is imparted to the shaft, and the other end of the shaft is a wornrwheel, F, upon a shaft, G, journaled iu transverse bearings H upon uprights I on the base of the frame; This shaft is provided at its other end with a cam-disk, J, having two graduallyAinereasing bulges,I KK. close to each other and formed with abrupt shoulders L L, and a small roller, M, bears against the periphery of this disk and isjournaled upon a stud, N, having its outer end reduced and screwthreaded and movable in a longitudinal slot, O, in a rod, P, being adjustable in the said slot by a uut, Q. The inner end of this rod P slides in the perforated head of a bolt, R, pivoted in one of two uprights, S, upon the frame, and the other end of the rod is pivoted to a stud, T, projecting laterally from a bar, U, slidable in bearings V in two uprights, NV NV, upon the frame.

The outer end of the slidingbar U is provided with an upwardly-projecting arm, X, and a coiled spring, Y, is wrapped around the bar bearing against the arm and the bearing, so as to keep the stud against the canrdisk by means of the connecting-rod.

The spindle-shaft Z. or drillshaftis journaled in longitudinal bearings A' in the upper ends of the uprights W', sliding in the same, and is provided with a pulley, B', or other gear, for communicating rotary motion to the shaft.

The `outer end of the spindlesh aft or drillshaft is formed with a peripheral groove, C', and rests in a recess. D', formed at' the end of the arm projecting from the outer end of the sliding bar, and the inner side of this arm is provided with a lip, E', which projects into thegroove in the shaft, while a longitudinal screw, F', passes through the end of the arm and bears against the end of the shaft. The inner end of this shaft portion is formed with a cylindrical recess, G', having two opposite sides cut away to form two diametrically-opposite lips, H', having perforations, and an inner shaft portion, I', is formed with a similar recess, J', and lips K'.

provided with a worm, E, which meshes with A ball, L', is placed between the four lips which project into the spaces between each other, and this bau has two' perfor-ations, M

and N, crossing each other at right angles and registering with perforations O in the lips, through which perforations pass p'ins P and Q Q', pivoting the shaft portions to each other. The other end of this inner shaft portion is provided with a chuck, R, in which the drillbit S is secured.

The inner shaft portion is journaled in a longitudinal bearing, T', formed in a block, U', which slides with its vertieallygrooved sides between the uprights S, sliding with its grooves V within guide-blocks W', pivoted at their middles upon the inner sides of the uprights, the universal joint formed between the shaft portions and the sliding and rocking block admitting of the'end of the shaft portion having the drill being raised and lowered.

An arched frame,.X, projects from the faces of the uprights and is provided with a vertically-slotted guide-plate, Y, at its middle, through which plate the drill-bit projects through a slot, Z', in the saine and is movable vertically in the said slot.

Brackets A2 project from the rear sides of the uprights S, near their united lower ends, and are formed with transverse bearings, in which a shaft, B2, is journaled, rocking in the bearings. The middle ofthis shaft is provided with an arm, C2, projecting between the uprights, and the upper edge of this arm is formed with a recess, D2, in which a longitudinal screw, E2, is journaled, the outer end of the screw projecting outside of the end of the arm.

A block, F2, has a screw-threaded perforation, G2, in its lower end, within which ts the screw, with its end in the bottom ofthe recess in the arm, and the upper end of the block is rounded and projects above the edge of the arm, bearing against the under side of the sliding bearing-block.

The end of the rock-shaft is provided with a downwardly-projecting curved arm, H2, provided with a perforation, l2, in its end, and a screw, J2, having a roller, K2, journaled in its bifurcated end, passes through this perforation and may be adj usted in the same by means of nuts L2, bearing against both sides ofthe arm.

A cam-disk or eccentric-disk, M2, is secured upon the transverse shaft G, inside ofthe outer cam-disk, and bears with its periphery against the roller at the end of the arm upon the rockshaft, forcing it forward and back, according to the configurations of the cam-disk.

AA coiled spring, N2, bears with its lower end in a circular recess, O2, in the sliding bearingbloek, and with its upper end against a yoke, P2, secured te the upper ends ofthe uprights, the spring forcing the bleek down after it has been raised.

A plate, Q2, is pivoted upon a bolt, R2, near its outer end, the bolt projecting from the base of the frame, and this plate is formed with a transverse slot, S2, in which is inserted a stud, T2, proj eeting from the base of the frame. This plate is provided with two uprights, U2 U2,

formed with bearings V2 at their upper ends, and these bearings have their upper halves, W2, hinged and provided with downwardlyprojecting perforated lips X2 at their free edges, which lipsA project between pairs of lips Y2, upon the edges of the lowerhalves of the bearings, and are secured by means of pins Z2, projecting through the perforated lips bearing against the under sides of the pairs of lips. A tubular shaft, A3, slides in these bearings and has a chuck, B5, at its inner end, composed of a number of sections or jaws, C3, pivotally secured tu the end of a rod, D3, sliding within the tubular shaft and having a spring, E3, coiled around it and bearing against au inwardly-projecting shoulder upon the rod` drawing the chucksections into the end of the tubular shaft, thus compressing them together.

The outer end of the spring-actuated rod bears against aset-screw, F3, securedin a bracket, G3, projecting from the outer upright upon the plate, so that when the tubular shaft is drawn back the end of the rod may bear against the screw, pressing the chuck out of the tubular shaft and opening it.

A rod, H3, slides in bearings 13, in the uprights below and parallel to the bearings in the upper ends of the saine, and a spring, J3, is coiled around the rod and bears against the outer bearings and the collar of an arm, K3, which projects upward from the rod, having its reduced upper end fitting in a perforation, L, in the under side of the tubular shaft.

The inner end of this sliding vrod is pro vided with aroller, M3, journaled in the bifurvcated end, and this roller bears against the periphery of a cam-disk, N3, journaled upon a stub-shaft, O3, upon the side of one ofthe guideuprights, and provided with two diametrieally-opposite bulges, one, Pfbeiug larger than the other bulge, Qi.

The cam-disk N has an outwardly-projecting hub or sleeve, R3, to the outer end of which a cog-wheel, S3, is secured, and this cog-wheel meshes with a pinion, T, upon the transverse shaft, operating the sliding block and the drillshaft.

A pinion, U3, is secured upon the transverse shaft and meshes with a cog-wheel, V3, upon a shaft, V3,jou1naled parallel to the former shaft in bearings in the same uprights having the bearings for the upper shaft, and this lower shaft is provided with a disk, X3, having a semicircular bulge or flange, YS, upon one face at the rim.

One end-of a lever, Z, pivoted upon abolt, A, projecting from the base, bears with a roller against the face of this disk, engaging the iiange, and the other end is formed with a longitudinal slot, Bf, in which a bolt, C", is adj ustably secured, having an arm, D4, pivoted to it at one end, and pivoted at its other end to a bolt, E4, secured adjustably in a slotted bar, Ff, projecting from the inner side of the inner upright upon the laterally-movable plate.

A coiled spring, Gt, is inserted in a cylindrical recess, H, in the side of the inner mov- IOO IIO

able end ofthe laterally-movable plate, and bears with its outer end against one of a pair of lips, It, projecting from the base at the sides of the plate. l

Vhen the machine is operated, the pulley upon the worm-shaft and the pulley upon the drill-shaft are connected by means of suitable belts or other gearing to the motive power, and motion will be communicated from the Worm-shaft to the cam upon the stub-shaft, which cam will bear with its larger bulge against the roller in the end of the horizontally-sliding bar, which will cause the said bar and the hollow chuck-shaft to be pushed back, forcing the end of the rod within the chuckshaft against the end of the set-screw, thus forcing the chuck sections or jaws out, opening them. This will admit of the button J4l being inserted in the jaws and being clamped by the same as the large bulge of the cam releases the roller upon the sliding bar, this movement allowing the spring upon the said rod or bar 'to force the chuck toward the vertically-slotted drill-rest.

The revolution of the transverse shaft having t-he cam at its end will now cause one of the bulges to gradually force the roller upon the slotted connectingrod inward, forcing the spring-actuated bar, which is parallel to and connected to the drill-shaft forward, causing the drill to be forced gradually into the button, the drill being revolved. When the hole is finished, the drill will be withdrawn by the action of the spring upon the sliding bar, the roller upon the .connecting-rod having passed over the shoulder of the bulge upon the cam, allowing the rod, bar, and drill-shaft to iy back sufficiently far to only allow the point of the drill to project beyond the rest, and the smaller cam-disk upon the transverse shaft will now bring its bulge in contact with the roller of the arm`upon the rock-shaft, tilting the same, and the arm upon the center of the rock-shaft will now be tilted upward,vraising the sliding block having the bearing for the drill-shaft, thus raising the drill-point sufficiently to start another hole, the point of the drill in traveling over the face of the button forming one of the grooves or recesses in the same. The other bulge upon the cam-disk operating the drill-shaft will now force the drill into the button and cause it to bore another hole. Vhen this hole is bored, the smaller bulge upon the cam-disk upon the stud will bear against the roller of the sliding bar connected to the chuck-shaft, forcing the bar and chuck back sufiiciently to bring the button free of the drill-point without forcing it sufficiently far back to bring the chuck-rod in contact with the set-screw, and the semicircular cam or ilange upon the face of the disk upon the short transverse shaft will now have passed from engagement with the horizontally-rocking lever, which will thus be tilted and allow the spring at the side of the pivoted 'plate bearing the chuck to force the said plate to one side, offering a new place for the drill upon the face of the button' to drill another hole, which now will be drilled, the chuck being again brought forward and the drill being operated in the same manner as by the two former holes. In this manner it will be seen that the button may have its holes drilled and may be automatically shifted to be presented to the drill in the proper positions and at the proper time.

The opening of the chuck may be increased or decreased, according to the size of the button, by means of the set-screw, the chuck being opened wider as the Vset-screw is screwed in, and vice Versa.

The stroke ofthe drill may be regulated by adjusting the rollerbearing stud in the slot of the connecting-rod operating the drill-shaft,

and the stroke ofthe sliding block having the bearing for the drill-shaft may be regulated by adjusting the screw-threaded bolt in the end of the arm carrying the roller which bears against the cam-disk and by adjusting the sliding block upon the screw in the arm upon the center of the rock-shaft, bringing it nearer to the outer or inner end of the arm. By having the guides for the said bearing-v bloek pivoted at their middles and by having the universal joint upon the drill-shaft, the drill may be raised and lowered while revolving without any perceptible torsional or lateral strain.

By adjusting the nutted pivotal bolts in the slotted end of the horizontally-rocking lever and in the slotted arm projecting from the horizontallymovable plate, the throw of this plate may be adjusted, regulating the distance between the two pairs of holes in the button.

It will be seen that the buttons will be held rmly clamped between the chuck and the slotted rest-plate, preventing any play of the buttons and chuck and consequent untrue or` imperfect boring of the holes or niches.

If desired, either of the mechanisms producing the vertical movement of the drill or the horizontal movement ofthe chuck may be dispensed with when only two holes are to be drilled, and other modifications may be made without departing from the spirit of my invention.

Having thus described my invention, I claim and desire to secure by Letters Patent of the United Statesl. In a machine for drilling holes in buttons, the combination of a drill having means for revolving it and for automatically and alternately lowering and raising it and for bringing it forward and drawing it back at each of the latter movements, and a chuck for holding the buttons opposite to the drill against the rest-plate and having means Vfor automatically and alternately moving the chuck laterally and for forcing it forward and back, as and for the purpose shown and set forth.

2. In a machine for drilling holes in buttons, the combination of a drill-shaft having means for revolving it and provided with a universal joint near the end carrying the bit,1

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means for alternately forcing the drill-shaft forward and back, a vertically-sliding and slightly-rocking bearing having means for alternately raising and lowering. it, a chuck for holding the button opposite to the drill, and means for automatically and alternately shifting the chuck laterally, as and for the purpose shown and set forth.

3. In a machine for drilling holes in buttons, the combination of a revolving drill-shaft, a bar sliding parallel with the shaft and having an arm connecting it to said shaft and a spring for forcing it back, a cam-disk having bulges and shoulders in its periphery, a connectingrod having one end pivoted to the sliding bar and the other end sliding in the perforated end of a pivoted bolt and formed with alongitudinal slot, and a bolt secured adjustably in the slot and having a roller bearing against the periphery of the cam-disk, as and for the purpose shown and set forth.

4f. In a machine for drilling holes in buttons, the combination of a revolving drillshaft having a universal joint, a vertically sliding and rocking bearing for the drill-shaft having a spring for holding it down, a rock-shafthaving an arm at its end and having another arm formed with a recess in its upper edge, a longitudinal screw journaled in the upper portion of the arm spanning the recess and having its notched head projecting out, a block sliding in the recess and having the screw passing through its inner portion and bearing against the bearing-block with its upper rounded end,

and a ca1n-disk having the end of the arm upon the end of the rock-shaft bearing against its periphery, as and for the purpose shown and set forth.

5. In a machine for drilling holes in buttons, the combination of a revolving drill-shaft having a universal j oint. a spring-actuated vertically sliding and rocking bearing-block for the shaft, a rock-shaft having an arm at its middle projecting under the block and having an arm at its end formed with a perforation, a screw-bolt having a roller journaled in its bifurcated outer end and having the shank held in the perforation of the arm by means of nuts at both sides of the perforation, and a camdisk having the roller bearing against the bulged periphery of the' disk, as and for the purpose shown and set forth.

6. In a machine for drilling holesin buttons, the combination of a revolving drill, aslotted rest-plate, and a spring cushion chuck for holding the button connected by an arm to a sliding bar provided with a coil-spring for holding the button rmly against said restplate while the button is being drilled and niched, the pressure ofthe coil-spring against the restplate preventing any vibration or play of the chuck or button while the work ofdrilling is performed.

7. In amachine for drillingholes in buttons, the combination of a revolving drill-shaft, a frame pivoted to the bed plate at one end v upon an upright bolt and having a transverse slot at its forward end sliding upon a stud, a chuck for holding the buttons opposite to the drill, a revolving cam-disk having a semicircular flange upon one face at the periphery, a lever pivoted to rock horizontally at its middle and bearing with one end against the camface of the disk, and an arm pivoted to the other end of the lever and to the movable plate, as and for the purpose shown and set forth.

8. Ina machine for drilling holes in buttons, the combination of a revolving drill, a frame pivoted at one end to the bed-plate upon an upright bolt and having a transverse slot at its forward end sliding upon a stud, a chuck for holding the buttons to the drill and a forwardly-projecting longitudinally-slotted arm, a horizontal lever pivoted at or near its middle and having one end bearing against a camdisk and the other end longitudinally slotted, and an arm having its ends pivoted to bolts adjustably secured in the slotted end of the lever and in the slotted arm of the plates, as and for the purpose shown and set forth.

9. In a machine for drilling holes in buttons, the combination of a revolving drill, a frame pivoted at one end upon an upright bolt and having a transverse slot at its forward end sliding upon a stud, a chuck for holding the buttons to the drill, lips limiting the play of the free end of the plate, a spring interposed between one side edge of the plate and a lip, a cam-disk having a flange at one face, and a lever pivoted at or near the-middle, and having one end bearing against the camface of the disk and the other end pivoted to the free rco end of the plate, as and for the purpose shown and set forth. v

l0. In a machine for drilling holes in buttons, the combination of a hollow chuck-shaft sliding in horizontal bearings and having chuck-jaws at its forward end secured to a rod having its rear end projecting beyond the tubular shaft and provided with a spring forcing it rearward, a set-screw adjusted in a bracket pointing toward the rear end of the rod, a bar sliding parallel to thetubular chuckshaft and having an arm connecting it to the i same and a spring forcing it forward, and a revolving cam-disk bearing with its periphery against the forward end of the bar, as and for the purpose shown and set forth.

ll. In a machine for drilling holes in buttons, the combination of a horizontally-mov-V able frame having means for shiftingl it alternately and formed with horizontal bearings, a tubular chuck-shaft sliding in the bearings and having chuck jaws atits forward end connected to an operating-rod within the shaft, having a spring forcing it rearward and having its rear end projecting outside of the tubular shaft, a set-screw adjusted with its end a distance from the end of the said rod within reach of the same, a bar sliding parallel to the shaft and having a spring forcing it forward and an arm connecting it to the shaft, a revolving cam-disk having a larger and a IIO IIO

smaller bulge in its periphery diametrioally In testimony that claim the foregoing as opposite t6 eaoh other and having the end of my own I have hereunto affixed my signature the bar engagingbhe bulges, and a drillshaft in presence of two Witnesses. opposite to the ohuok and having means for DILMAN B. SHANTZ.

5 alternately drawing it in or out and for alter- Vitnesses:

nately raising and lowering" it, as and for the GEO. L. LEWIS, purpose shown and set forth. l ADELBERT SMOOT. 

